Category: Statistics

This is the first of several mini-labs designed to teach you how to use StatCrunch. Later in the course, you will work on more complex labs where you will apply the StatCrunch skills you learned in these early mini-labs. Progress Check Use this activity to assess whether you and your peers can: Select an appropriate…

Open the “ACT Results for Juniors” Excel sheet found in this module. Then calculate the the appropriate correlation coefficients in the given boxes, using an Excel function. Submit the assignment here. You only have 1 attempt. 10pts per correct answer. You may use the video provided in the Resources section as a guide.

Calculating Means Spreadsheet Requirements: 4 hours

In this assignment, you will test for a significant difference between the average resting heart rate of males and the average resting heart rate of females in your heart rate data. You have observed that the mean rates are not exactly the same, but are they significantly different? You may use either of the two…

Progress Check Use this activity to assess whether you and your peers can: Describe the shape for a distribution of a quantitative variable. Describe the center for a distribution of a quantitative variable. Describe the spread for a distribution of a quantitative variable. Use dotplots to compare shape, center, and spread in the distribution of…

FINISH ALL QUESTIONS Requirements: normal

For this task, imagine that you were asked to give a scale construction proposal to a group of hypothetical PhD students. The PowerPoint presentation should include the definition of the construct that you intend to make a scale on, the existing tools measuring it, and other related studies. Also include your justification and rationale for…

Directions Initial Post Read through the answer postings and responses already posted by classmates. Choose one and only one question that has not been answered previously. Once a question has been answered, it is no longer eligible for you to answer, and will not earn you any points should you post an answer to it.…

100-150 words Examine and reflect on your understanding of this week’s materials. Share with your classmates and me the point that was clearest to you AND the point that was the muddiest (most difficult to understand). Remember to use unit-specific vocabulary and proofread to catch typos so we can focus on your content. See the…

Need answers and explanations only Requirements: All answers